qcap/tests: Add media tests for the SmartTee filter.
[wine/multimedia.git] / programs / winecfg / audio.c
blob4b22f3d50df3d33a6168c096ce27e5cd51b348e3
1 /*
2 * Audio management UI code
4 * Copyright 2004 Chris Morgan
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #define WIN32_LEAN_AND_MEAN
23 #define NONAMELESSUNION
25 #include "config.h"
26 #include "wine/port.h"
28 #include <assert.h>
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <string.h>
33 #define COBJMACROS
34 #include <windows.h>
35 #include <wine/debug.h>
36 #include <shellapi.h>
37 #include <objbase.h>
38 #include <shlguid.h>
39 #include <shlwapi.h>
40 #include <shlobj.h>
41 #include <mmsystem.h>
42 #include <mmreg.h>
43 #include <mmddk.h>
45 #include "ole2.h"
46 #include "initguid.h"
47 #include "propkey.h"
48 #include "devpkey.h"
49 #include "mmdeviceapi.h"
50 #include "audioclient.h"
51 #include "audiopolicy.h"
53 #include "winecfg.h"
54 #include "resource.h"
56 WINE_DEFAULT_DEBUG_CHANNEL(winecfg);
58 struct DeviceInfo {
59 WCHAR *id;
60 PROPVARIANT name;
61 int speaker_config;
64 static WCHAR g_drv_keyW[256] = {'S','o','f','t','w','a','r','e','\\',
65 'W','i','n','e','\\','D','r','i','v','e','r','s','\\',0};
67 static const WCHAR reg_out_nameW[] = {'D','e','f','a','u','l','t','O','u','t','p','u','t',0};
68 static const WCHAR reg_in_nameW[] = {'D','e','f','a','u','l','t','I','n','p','u','t',0};
69 static const WCHAR reg_vout_nameW[] = {'D','e','f','a','u','l','t','V','o','i','c','e','O','u','t','p','u','t',0};
70 static const WCHAR reg_vin_nameW[] = {'D','e','f','a','u','l','t','V','o','i','c','e','I','n','p','u','t',0};
72 static UINT num_render_devs, num_capture_devs;
73 static struct DeviceInfo *render_devs, *capture_devs;
75 static const struct
77 int text_id;
78 DWORD speaker_mask;
79 } speaker_configs[] =
81 { IDS_AUDIO_SPEAKER_5POINT1, KSAUDIO_SPEAKER_5POINT1 },
82 { IDS_AUDIO_SPEAKER_QUAD, KSAUDIO_SPEAKER_QUAD },
83 { IDS_AUDIO_SPEAKER_STEREO, KSAUDIO_SPEAKER_STEREO },
84 { IDS_AUDIO_SPEAKER_MONO, KSAUDIO_SPEAKER_MONO },
85 { 0, 0 }
88 static BOOL load_device(IMMDevice *dev, struct DeviceInfo *info)
90 IPropertyStore *ps;
91 HRESULT hr;
92 PROPVARIANT pv;
93 UINT i;
95 hr = IMMDevice_GetId(dev, &info->id);
96 if(FAILED(hr)){
97 info->id = NULL;
98 return FALSE;
101 hr = IMMDevice_OpenPropertyStore(dev, STGM_READ, &ps);
102 if(FAILED(hr)){
103 CoTaskMemFree(info->id);
104 info->id = NULL;
105 return FALSE;
108 PropVariantInit(&info->name);
110 hr = IPropertyStore_GetValue(ps,
111 (PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &info->name);
112 if(FAILED(hr)){
113 CoTaskMemFree(info->id);
114 info->id = NULL;
115 IPropertyStore_Release(ps);
116 return FALSE;
119 PropVariantInit(&pv);
121 hr = IPropertyStore_GetValue(ps,
122 &PKEY_AudioEndpoint_PhysicalSpeakers, &pv);
124 info->speaker_config = -1;
125 if(SUCCEEDED(hr) && pv.vt == VT_UI4){
126 i = 0;
127 while (speaker_configs[i].text_id != 0) {
128 if ((speaker_configs[i].speaker_mask & pv.u.ulVal) == speaker_configs[i].speaker_mask) {
129 info->speaker_config = i;
130 break;
132 i++;
136 /* fallback to stereo */
137 if(info->speaker_config == -1)
138 info->speaker_config = 2;
140 IPropertyStore_Release(ps);
142 return TRUE;
145 static BOOL load_devices(IMMDeviceEnumerator *devenum, EDataFlow dataflow,
146 UINT *ndevs, struct DeviceInfo **out)
148 IMMDeviceCollection *coll;
149 UINT i;
150 HRESULT hr;
152 hr = IMMDeviceEnumerator_EnumAudioEndpoints(devenum, dataflow,
153 DEVICE_STATE_ACTIVE, &coll);
154 if(FAILED(hr))
155 return FALSE;
157 hr = IMMDeviceCollection_GetCount(coll, ndevs);
158 if(FAILED(hr)){
159 IMMDeviceCollection_Release(coll);
160 return FALSE;
163 if(*ndevs > 0){
164 *out = HeapAlloc(GetProcessHeap(), 0,
165 sizeof(struct DeviceInfo) * (*ndevs));
166 if(!*out){
167 IMMDeviceCollection_Release(coll);
168 return FALSE;
171 for(i = 0; i < *ndevs; ++i){
172 IMMDevice *dev;
174 hr = IMMDeviceCollection_Item(coll, i, &dev);
175 if(FAILED(hr)){
176 (*out)[i].id = NULL;
177 continue;
180 load_device(dev, &(*out)[i]);
182 IMMDevice_Release(dev);
184 }else
185 *out = NULL;
187 IMMDeviceCollection_Release(coll);
189 return TRUE;
192 static BOOL get_driver_name(IMMDeviceEnumerator *devenum, PROPVARIANT *pv)
194 IMMDevice *device;
195 IPropertyStore *ps;
196 HRESULT hr;
198 static const WCHAR wine_info_deviceW[] = {'W','i','n','e',' ',
199 'i','n','f','o',' ','d','e','v','i','c','e',0};
201 hr = IMMDeviceEnumerator_GetDevice(devenum, wine_info_deviceW, &device);
202 if(FAILED(hr))
203 return FALSE;
205 hr = IMMDevice_OpenPropertyStore(device, STGM_READ, &ps);
206 if(FAILED(hr)){
207 IMMDevice_Release(device);
208 return FALSE;
211 hr = IPropertyStore_GetValue(ps,
212 (const PROPERTYKEY *)&DEVPKEY_Device_Driver, pv);
213 IPropertyStore_Release(ps);
214 IMMDevice_Release(device);
215 if(FAILED(hr))
216 return FALSE;
218 return TRUE;
221 static void initAudioDlg (HWND hDlg)
223 WCHAR display_str[256], format_str[256], sysdefault_str[256], disabled_str[64];
224 IMMDeviceEnumerator *devenum;
225 BOOL have_driver = FALSE;
226 HRESULT hr;
227 UINT i;
228 LVCOLUMNW lvcol;
229 WCHAR colW[64], speaker_str[256];
230 RECT rect;
231 DWORD width;
233 WINE_TRACE("\n");
235 LoadStringW(GetModuleHandleW(NULL), IDS_AUDIO_DRIVER,
236 format_str, sizeof(format_str) / sizeof(*format_str));
237 LoadStringW(GetModuleHandleW(NULL), IDS_AUDIO_DRIVER_NONE,
238 disabled_str, sizeof(disabled_str) / sizeof(*disabled_str));
239 LoadStringW(GetModuleHandleW(NULL), IDS_AUDIO_SYSDEFAULT,
240 sysdefault_str, sizeof(sysdefault_str) / sizeof(*sysdefault_str));
242 hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL,
243 CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, (void**)&devenum);
244 if(SUCCEEDED(hr)){
245 PROPVARIANT pv;
247 load_devices(devenum, eRender, &num_render_devs, &render_devs);
248 load_devices(devenum, eCapture, &num_capture_devs, &capture_devs);
250 PropVariantInit(&pv);
251 if(get_driver_name(devenum, &pv) && pv.u.pwszVal[0] != '\0'){
252 have_driver = TRUE;
253 wnsprintfW(display_str, sizeof(display_str) / sizeof(*display_str),
254 format_str, pv.u.pwszVal);
255 lstrcatW(g_drv_keyW, pv.u.pwszVal);
257 PropVariantClear(&pv);
259 IMMDeviceEnumerator_Release(devenum);
262 SendDlgItemMessageW(hDlg, IDC_AUDIOOUT_DEVICE, CB_ADDSTRING,
263 0, (LPARAM)sysdefault_str);
264 SendDlgItemMessageW(hDlg, IDC_AUDIOOUT_DEVICE, CB_SETCURSEL, 0, 0);
265 SendDlgItemMessageW(hDlg, IDC_VOICEOUT_DEVICE, CB_ADDSTRING,
266 0, (LPARAM)sysdefault_str);
267 SendDlgItemMessageW(hDlg, IDC_VOICEOUT_DEVICE, CB_SETCURSEL, 0, 0);
269 SendDlgItemMessageW(hDlg, IDC_AUDIOIN_DEVICE, CB_ADDSTRING,
270 0, (LPARAM)sysdefault_str);
271 SendDlgItemMessageW(hDlg, IDC_AUDIOIN_DEVICE, CB_SETCURSEL, 0, 0);
272 SendDlgItemMessageW(hDlg, IDC_VOICEIN_DEVICE, CB_ADDSTRING,
273 0, (LPARAM)sysdefault_str);
274 SendDlgItemMessageW(hDlg, IDC_VOICEIN_DEVICE, CB_SETCURSEL, 0, 0);
276 i = 0;
277 while (speaker_configs[i].text_id != 0) {
278 LoadStringW(GetModuleHandleW(NULL), speaker_configs[i].text_id,
279 speaker_str, sizeof(speaker_str) / sizeof(*speaker_str));
281 SendDlgItemMessageW(hDlg, IDC_SPEAKERCONFIG_SPEAKERS, CB_ADDSTRING,
282 0, (LPARAM)speaker_str);
284 i++;
287 GetClientRect(GetDlgItem(hDlg, IDC_LIST_AUDIO_DEVICES), &rect);
288 width = (rect.right - rect.left) * 3 / 5;
290 LoadStringW(GetModuleHandleW(NULL), IDS_AUDIO_DEVICE, colW, sizeof(colW)/sizeof(*colW));
291 lvcol.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_SUBITEM;
292 lvcol.pszText = colW;
293 lvcol.cchTextMax = lstrlenW(colW);
294 lvcol.cx = width;
295 SendDlgItemMessageW(hDlg, IDC_LIST_AUDIO_DEVICES, LVM_INSERTCOLUMNW, 0, (LPARAM)&lvcol);
297 LoadStringW(GetModuleHandleW(NULL), IDS_AUDIO_SPEAKER_CONFIG, colW, sizeof(colW)/sizeof(*colW));
298 lvcol.pszText = colW;
299 lvcol.cchTextMax = lstrlenW(colW);
300 lvcol.cx = rect.right - rect.left - width;
301 SendDlgItemMessageW(hDlg, IDC_LIST_AUDIO_DEVICES, LVM_INSERTCOLUMNW, 1, (LPARAM)&lvcol);
303 EnableWindow(GetDlgItem(hDlg, IDC_SPEAKERCONFIG_SPEAKERS), 0);
305 if(have_driver){
306 WCHAR *reg_out_dev, *reg_vout_dev, *reg_in_dev, *reg_vin_dev;
308 reg_out_dev = get_reg_keyW(HKEY_CURRENT_USER, g_drv_keyW, reg_out_nameW, NULL);
309 reg_vout_dev = get_reg_keyW(HKEY_CURRENT_USER, g_drv_keyW, reg_vout_nameW, NULL);
310 reg_in_dev = get_reg_keyW(HKEY_CURRENT_USER, g_drv_keyW, reg_in_nameW, NULL);
311 reg_vin_dev = get_reg_keyW(HKEY_CURRENT_USER, g_drv_keyW, reg_vin_nameW, NULL);
313 for(i = 0; i < num_render_devs; ++i){
314 LVITEMW lvitem;
316 if(!render_devs[i].id)
317 continue;
319 SendDlgItemMessageW(hDlg, IDC_AUDIOOUT_DEVICE, CB_ADDSTRING,
320 0, (LPARAM)render_devs[i].name.u.pwszVal);
321 SendDlgItemMessageW(hDlg, IDC_AUDIOOUT_DEVICE, CB_SETITEMDATA,
322 i + 1, (LPARAM)&render_devs[i]);
324 if(reg_out_dev && !lstrcmpW(render_devs[i].id, reg_out_dev)){
325 SendDlgItemMessageW(hDlg, IDC_AUDIOOUT_DEVICE, CB_SETCURSEL, i + 1, 0);
326 SendDlgItemMessageW(hDlg, IDC_SPEAKERCONFIG_SPEAKERS, CB_SETCURSEL, render_devs[i].speaker_config, 0);
329 SendDlgItemMessageW(hDlg, IDC_VOICEOUT_DEVICE, CB_ADDSTRING,
330 0, (LPARAM)render_devs[i].name.u.pwszVal);
331 SendDlgItemMessageW(hDlg, IDC_VOICEOUT_DEVICE, CB_SETITEMDATA,
332 i + 1, (LPARAM)&render_devs[i]);
333 if(reg_vout_dev && !lstrcmpW(render_devs[i].id, reg_vout_dev))
334 SendDlgItemMessageW(hDlg, IDC_VOICEOUT_DEVICE, CB_SETCURSEL, i + 1, 0);
336 lvitem.mask = LVIF_TEXT | LVIF_PARAM;
337 lvitem.iItem = i;
338 lvitem.iSubItem = 0;
339 lvitem.pszText = render_devs[i].name.u.pwszVal;
340 lvitem.cchTextMax = lstrlenW(lvitem.pszText);
341 lvitem.lParam = (LPARAM)&render_devs[i];
343 SendDlgItemMessageW(hDlg, IDC_LIST_AUDIO_DEVICES, LVM_INSERTITEMW, 0, (LPARAM)&lvitem);
345 LoadStringW(GetModuleHandleW(NULL), speaker_configs[render_devs[i].speaker_config].text_id,
346 speaker_str, sizeof(speaker_str) / sizeof(*speaker_str));
348 lvitem.mask = LVIF_TEXT;
349 lvitem.iItem = i;
350 lvitem.iSubItem = 1;
351 lvitem.pszText = speaker_str;
352 lvitem.cchTextMax = lstrlenW(lvitem.pszText);
354 SendDlgItemMessageW(hDlg, IDC_LIST_AUDIO_DEVICES, LVM_SETITEMW, 0, (LPARAM)&lvitem);
357 for(i = 0; i < num_capture_devs; ++i){
358 if(!capture_devs[i].id)
359 continue;
361 SendDlgItemMessageW(hDlg, IDC_AUDIOIN_DEVICE, CB_ADDSTRING,
362 0, (LPARAM)capture_devs[i].name.u.pwszVal);
363 SendDlgItemMessageW(hDlg, IDC_AUDIOIN_DEVICE, CB_SETITEMDATA,
364 i + 1, (LPARAM)&capture_devs[i]);
365 if(reg_in_dev && !lstrcmpW(capture_devs[i].id, reg_in_dev))
366 SendDlgItemMessageW(hDlg, IDC_AUDIOIN_DEVICE, CB_SETCURSEL, i + 1, 0);
368 SendDlgItemMessageW(hDlg, IDC_VOICEIN_DEVICE, CB_ADDSTRING,
369 0, (LPARAM)capture_devs[i].name.u.pwszVal);
370 SendDlgItemMessageW(hDlg, IDC_VOICEIN_DEVICE, CB_SETITEMDATA,
371 i + 1, (LPARAM)&capture_devs[i]);
372 if(reg_vin_dev && !lstrcmpW(capture_devs[i].id, reg_vin_dev))
373 SendDlgItemMessageW(hDlg, IDC_VOICEIN_DEVICE, CB_SETCURSEL, i + 1, 0);
376 HeapFree(GetProcessHeap(), 0, reg_out_dev);
377 HeapFree(GetProcessHeap(), 0, reg_vout_dev);
378 HeapFree(GetProcessHeap(), 0, reg_in_dev);
379 HeapFree(GetProcessHeap(), 0, reg_vin_dev);
380 }else
381 wnsprintfW(display_str, sizeof(display_str) / sizeof(*display_str),
382 format_str, disabled_str);
384 SetDlgItemTextW(hDlg, IDC_AUDIO_DRIVER, display_str);
387 static void set_reg_device(HWND hDlg, int dlgitem, const WCHAR *key_name)
389 UINT idx;
390 struct DeviceInfo *info;
392 idx = SendDlgItemMessageW(hDlg, dlgitem, CB_GETCURSEL, 0, 0);
394 info = (struct DeviceInfo *)SendDlgItemMessageW(hDlg, dlgitem,
395 CB_GETITEMDATA, idx, 0);
397 if(!info || info == (void*)CB_ERR)
398 set_reg_keyW(HKEY_CURRENT_USER, g_drv_keyW, key_name, NULL);
399 else
400 set_reg_keyW(HKEY_CURRENT_USER, g_drv_keyW, key_name, info->id);
403 static void test_sound(void)
405 if(!PlaySoundW(MAKEINTRESOURCEW(IDW_TESTSOUND), NULL, SND_RESOURCE | SND_ASYNC)){
406 WCHAR error_str[256], title_str[256];
408 LoadStringW(GetModuleHandleW(NULL), IDS_AUDIO_TEST_FAILED,
409 error_str, sizeof(error_str) / sizeof(*error_str));
410 LoadStringW(GetModuleHandleW(NULL), IDS_AUDIO_TEST_FAILED_TITLE,
411 title_str, sizeof(title_str) / sizeof(*title_str));
413 MessageBoxW(NULL, error_str, title_str, MB_OK | MB_ICONERROR);
417 static void apply_speaker_configs(void)
419 UINT i;
420 IMMDeviceEnumerator *devenum;
421 IMMDevice *dev;
422 IPropertyStore *ps;
423 PROPVARIANT pv;
424 HRESULT hr;
426 hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL,
427 CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, (void**)&devenum);
429 if(FAILED(hr)){
430 ERR("Unable to create MMDeviceEnumerator: 0x%08x\n", hr);
431 return;
434 PropVariantInit(&pv);
435 pv.vt = VT_UI4;
437 for (i = 0; i < num_render_devs; i++) {
438 hr = IMMDeviceEnumerator_GetDevice(devenum, render_devs[i].id, &dev);
440 if(FAILED(hr)){
441 WARN("Could not get MMDevice for %s: 0x%08x\n", wine_dbgstr_w(render_devs[i].id), hr);
442 continue;
445 hr = IMMDevice_OpenPropertyStore(dev, STGM_WRITE, &ps);
447 if(FAILED(hr)){
448 WARN("Could not open property store for %s: 0x%08x\n", wine_dbgstr_w(render_devs[i].id), hr);
449 IMMDevice_Release(dev);
450 continue;
453 pv.u.ulVal = speaker_configs[render_devs[i].speaker_config].speaker_mask;
455 hr = IPropertyStore_SetValue(ps, &PKEY_AudioEndpoint_PhysicalSpeakers, &pv);
457 if (FAILED(hr))
458 WARN("IPropertyStore_SetValue failed for %s: 0x%08x\n", wine_dbgstr_w(render_devs[i].id), hr);
460 IPropertyStore_Release(ps);
461 IMMDevice_Release(dev);
464 IMMDeviceEnumerator_Release(devenum);
467 static void listview_changed(HWND hDlg)
469 int idx;
471 idx = SendDlgItemMessageW(hDlg, IDC_LIST_AUDIO_DEVICES, LVM_GETNEXTITEM, -1, LVNI_SELECTED);
472 if(idx < 0) {
473 EnableWindow(GetDlgItem(hDlg, IDC_SPEAKERCONFIG_SPEAKERS), 0);
474 return;
477 SendDlgItemMessageW(hDlg, IDC_SPEAKERCONFIG_SPEAKERS, CB_SETCURSEL,
478 render_devs[idx].speaker_config, 0);
480 EnableWindow(GetDlgItem(hDlg, IDC_SPEAKERCONFIG_SPEAKERS), 1);
483 INT_PTR CALLBACK
484 AudioDlgProc (HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
486 switch (uMsg) {
487 case WM_COMMAND:
488 switch (LOWORD(wParam)) {
489 case IDC_AUDIO_TEST:
490 test_sound();
491 break;
492 case IDC_AUDIOOUT_DEVICE:
493 if(HIWORD(wParam) == CBN_SELCHANGE){
494 set_reg_device(hDlg, IDC_AUDIOOUT_DEVICE, reg_out_nameW);
495 SendMessageW(GetParent(hDlg), PSM_CHANGED, 0, 0);
497 break;
498 case IDC_VOICEOUT_DEVICE:
499 if(HIWORD(wParam) == CBN_SELCHANGE){
500 set_reg_device(hDlg, IDC_VOICEOUT_DEVICE, reg_vout_nameW);
501 SendMessageW(GetParent(hDlg), PSM_CHANGED, 0, 0);
503 break;
504 case IDC_AUDIOIN_DEVICE:
505 if(HIWORD(wParam) == CBN_SELCHANGE){
506 set_reg_device(hDlg, IDC_AUDIOIN_DEVICE, reg_in_nameW);
507 SendMessageW(GetParent(hDlg), PSM_CHANGED, 0, 0);
509 break;
510 case IDC_VOICEIN_DEVICE:
511 if(HIWORD(wParam) == CBN_SELCHANGE){
512 set_reg_device(hDlg, IDC_VOICEIN_DEVICE, reg_vin_nameW);
513 SendMessageW(GetParent(hDlg), PSM_CHANGED, 0, 0);
515 break;
516 case IDC_SPEAKERCONFIG_SPEAKERS:
517 if(HIWORD(wParam) == CBN_SELCHANGE){
518 UINT dev, idx;
520 idx = SendDlgItemMessageW(hDlg, IDC_SPEAKERCONFIG_SPEAKERS, CB_GETCURSEL, 0, 0);
521 dev = SendDlgItemMessageW(hDlg, IDC_LIST_AUDIO_DEVICES, LVM_GETNEXTITEM, -1, LVNI_SELECTED);
523 if(dev < num_render_devs){
524 WCHAR speaker_str[256];
525 LVITEMW lvitem;
527 render_devs[dev].speaker_config = idx;
529 LoadStringW(GetModuleHandleW(NULL), speaker_configs[idx].text_id,
530 speaker_str, sizeof(speaker_str) / sizeof(*speaker_str));
532 lvitem.mask = LVIF_TEXT;
533 lvitem.iItem = dev;
534 lvitem.iSubItem = 1;
535 lvitem.pszText = speaker_str;
536 lvitem.cchTextMax = lstrlenW(lvitem.pszText);
538 SendDlgItemMessageW(hDlg, IDC_LIST_AUDIO_DEVICES, LVM_SETITEMW, 0, (LPARAM)&lvitem);
540 SendMessageW(GetParent(hDlg), PSM_CHANGED, 0, 0);
543 break;
545 break;
547 case WM_SHOWWINDOW:
548 set_window_title(hDlg);
549 break;
551 case WM_NOTIFY:
552 switch(((LPNMHDR)lParam)->code) {
553 case PSN_KILLACTIVE:
554 SetWindowLongPtrW(hDlg, DWLP_MSGRESULT, FALSE);
555 break;
556 case PSN_APPLY:
557 apply_speaker_configs();
558 apply();
559 SetWindowLongPtrW(hDlg, DWLP_MSGRESULT, PSNRET_NOERROR);
560 break;
561 case PSN_SETACTIVE:
562 break;
563 case LVN_ITEMCHANGED:
564 listview_changed(hDlg);
565 break;
567 break;
568 case WM_INITDIALOG:
569 initAudioDlg(hDlg);
570 break;
573 return FALSE;